(:*******************************************************:)
(: Test: K-SeqExprCast-129                               :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:21+01:00                       :)
(: Purpose: If the last tetragram ends in '==' then the previous character must be one of [AQgw]. :)
(:*******************************************************:)
xs:base64Binary("frfhforlksid745323==")